Commit 236dd6ab2e6129ece366117070c7c014500a00c1

Nick Wellnhofer 2019-03-13T18:21:02

Check XPath stack after calling functions Check that there's exactly one return value on the stack after calling XPath functions. Otherwise, functions that corrupt the stack without signaling an error could lead to memory errors. Found with libFuzzer and UBSan.